Support translation functions for sliders with steps

dist/rzslider.css

 /*! angularjs-slider - v2.10.4 -
  (c) Rafal Zajac <rzajac@gmail.com>, Valentin Hervieu <valentin@hervieu.me>, Jussi Saarivirta <jusasi@gmail.com>, Angelin Sirbu <angelin.sirbu@gmail.com> -
  https://github.com/angular-slider/angularjs-slider -
- 2016-03-16 */
+ 2016-03-28 */
 rzslider {
   position: relative;
   display: inline-block;

dist/rzslider.js

 /*! angularjs-slider - v2.10.4 -
  (c) Rafal Zajac <rzajac@gmail.com>, Valentin Hervieu <valentin@hervieu.me>, Jussi Saarivirta <jusasi@gmail.com>, Angelin Sirbu <angelin.sirbu@gmail.com> -
  https://github.com/angular-slider/angularjs-slider -
- 2016-03-16 */
+ 2016-03-28 */
 /*jslint unparam: true */
 /*global angular: false, console: false, define, module */
 (function(root, factory) {
@@ -423,9 +423,14 @@
           this.options.floor = 0;
           this.options.ceil = this.options.stepsArray.length - 1;
           this.options.step = 1;
+          if (this.options.translate) {
+            this.customTrFn = this.options.translate;
+          }
+          else {
             this.customTrFn = function(value) {
               return this.options.stepsArray[value];
             };
+          }
         } else if (this.options.translate)
           this.customTrFn = this.options.translate;
         else

dist/rzslider.min.css

-/*! angularjs-slider - v2.10.4 -  (c) Rafal Zajac <rzajac@gmail.com>, Valentin Hervieu <valentin@hervieu.me>, Jussi Saarivirta <jusasi@gmail.com>, Angelin Sirbu <angelin.sirbu@gmail.com> -  https://github.com/angular-slider/angularjs-slider -  2016-03-16 */
+/*! angularjs-slider - v2.10.4 -  (c) Rafal Zajac <rzajac@gmail.com>, Valentin Hervieu <valentin@hervieu.me>, Jussi Saarivirta <jusasi@gmail.com>, Angelin Sirbu <angelin.sirbu@gmail.com> -  https://github.com/angular-slider/angularjs-slider -  2016-03-28 */
 rzslider{position:relative;display:inline-block;width:100%;height:4px;margin:35px 0 15px 0;vertical-align:middle;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}rzslider[disabled]{cursor:not-allowed}rzslider[disabled] .rz-pointer{cursor:not-allowed;background-color:#d8e0f3}rzslider span{position:absolute;display:inline-block;white-space:nowrap}rzslider .rz-base{width:100%;height:100%;padding:0}rzslider .rz-bar-wrapper{left:0;z-index:1;width:100%;height:32px;padding-top:16px;margin-top:-16px;box-sizing:border-box}rzslider .rz-bar-wrapper.rz-draggable{cursor:move}rzslider .rz-bar{left:0;z-index:1;width:100%;height:4px;background:#d8e0f3;-webkit-border-radius:2px;-moz-border-radius:2px;border-radius:2px}rzslider .rz-bar.rz-selection{z-index:2;background:#0db9f0;-webkit-border-radius:2px;-moz-border-radius:2px;border-radius:2px}rzslider .rz-pointer{top:-14px;z-index:3;width:32px;height:32px;cursor:pointer;background-color:#0db9f0;-webkit-border-radius:16px;-moz-border-radius:16px;border-radius:16px}rzslider .rz-pointer:after{position:absolute;top:12px;left:12px;width:8px;height:8px;background:#fff;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;content:''}rzslider .rz-pointer:hover:after{background-color:#fff}rzslider .rz-pointer.rz-active{z-index:4}rzslider .rz-pointer.rz-active:after{background-color:#451aff}rzslider .rz-bubble{bottom:16px;padding:1px 3px;color:#55637d;cursor:default}rzslider .rz-bubble.rz-selection{top:16px}rzslider .rz-bubble.rz-limit{color:#55637d}rzslider .rz-ticks{position:absolute;top:-3px;left:0;z-index:1;display:-webkit-flex;display:-ms-flexbox;display:flex;width:100%;height:0;padding:0 11px;margin:0;list-style:none;box-sizing:border-box;-webkit-justify-content:space-between;-ms-flex-pack:justify;justify-content:space-between}rzslider .rz-ticks .rz-tick{width:10px;height:10px;text-align:center;cursor:pointer;background:#d8e0f3;border-radius:50%}rzslider .rz-ticks .rz-tick.rz-selected{background:#0db9f0}rzslider .rz-ticks .rz-tick .rz-tick-value{position:absolute;top:-30px;transform:translate(-50%,0)}rzslider.rz-vertical{position:relative;width:4px;height:100%;padding:0;margin:0 20px;vertical-align:baseline}rzslider.rz-vertical .rz-base{width:100%;height:100%;padding:0}rzslider.rz-vertical .rz-bar-wrapper{top:auto;left:0;width:32px;height:100%;padding:0 0 0 16px;margin:0 0 0 -16px}rzslider.rz-vertical .rz-bar{bottom:0;left:auto;width:4px;height:100%}rzslider.rz-vertical .rz-pointer{top:auto;bottom:0;left:-14px!important}rzslider.rz-vertical .rz-bubble{bottom:0;left:16px!important;margin-left:3px}rzslider.rz-vertical .rz-bubble.rz-selection{top:auto;left:16px!important}rzslider.rz-vertical .rz-ticks{top:0;left:-3px;z-index:1;width:0;height:100%;padding:11px 0;-webkit-flex-direction:column-reverse;-ms-flex-direction:column-reverse;flex-direction:column-reverse}rzslider.rz-vertical .rz-ticks .rz-tick{vertical-align:middle}rzslider.rz-vertical .rz-ticks .rz-tick .rz-tick-value{top:auto;right:-30px;transform:translate(0,-28%)}

src/rzslider.js

@@ -427,9 +427,14 @@
           this.options.floor = 0;
           this.options.ceil = this.options.stepsArray.length - 1;
           this.options.step = 1;
+          if (this.options.translate) {
+            this.customTrFn = this.options.translate;
+          }
+          else {
             this.customTrFn = function(value) {
               return this.options.stepsArray[value];
             };
+          }
         } else if (this.options.translate)
           this.customTrFn = this.options.translate;
         else

tests/specs/options-handling-test.js

@@ -115,6 +115,24 @@
         expect(helper.slider.customTrFn(2)).to.equal('C');
       });
 
+      it('should allow a custom translate function when stepsArray is used', function() {
+        helper.scope.slider.options.stepsArray = [{'foo': 'barA'}, {'foo': 'barB'}, {'foo': 'barC'}];
+        helper.scope.slider.options.translate = function(value, sliderId, label) {
+          if (value >= 0 && value < helper.scope.slider.options.stepsArray.length) {
+            return helper.scope.slider.options.stepsArray[value]['foo'];
+          } else {
+            return ""
+          }
+        };
+        helper.scope.$digest();
+        expect(helper.slider.options.step).to.equal(1);
+        expect(helper.slider.options.floor).to.equal(0);
+        expect(helper.slider.options.ceil).to.equal(2);
+
+        expect(helper.slider.customTrFn(0)).to.equal('barA');
+        expect(helper.slider.customTrFn(2)).to.equal('barC');
+      });
+
       it('should sanitize rzSliderModel between floor and ceil', function() {
         helper.scope.slider.options.enforceRange = true;
         helper.scope.slider.value = 1000;